CN217393668U

CN217393668U - Vertical line pouring system for shell type heavy castings

Info

Publication number: CN217393668U
Application number: CN202123382934.0U
Authority: CN
Inventors: 薛卫
Original assignee: Suzhou Cmb Machinery Co ltd
Current assignee: Suzhou Cmb Machinery Co ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-09-09
Anticipated expiration: 2031-12-30

Abstract

The utility model relates to a gating system technical field especially relates to a heavy foundry goods perpendicular line gating system of casing class. It includes the mould body and arranges the gating system in the mould body in, this gating system includes the pouring basin, from the sprue of pouring basin bottom vertical direction extension, from the horizontal runner of the bottom horizontal direction extension of treetop, the vertical direction extension of front end from the horizontal runner has first ingate, the vertical direction extension in middle part from the horizontal runner has the second ingate, there is the third ingate from the terminal vertical direction extension of horizontal runner, the setting is at first ingate, a plurality of water inlet pieces on second ingate and the third ingate, and the die cavity that communicates with the water inlet piece mutually. The utility model discloses an useful part: the appearance quality of the casting is ensured, and the production efficiency is improved.

Description

Vertical line pouring system for shell type heavy castings

Technical Field

The utility model relates to a gating system technical field especially relates to a heavy foundry goods perpendicular line gating system of casing class.

Background

The production process of the shell type heavy castings is horizontal. The advantages are that: the production process is simple, the filling fall of the horizontally placed casting is small, and the process can be a non-riser process generally. The disadvantages are that: the production efficiency is low due to the horizontal line process characteristics; the large sand-iron ratio causes poor cavity exhaust effect, and the casting needs to increase the exhaust amount to increase the grinding workload; the horizontal sand box has poor consistency in processing the multi-cavity castings due to the staggered mold amount, and the processing and machine adjusting time is prolonged.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a heavy foundry goods perpendicular line gating system of casing class to overcome the above-mentioned not enough that prior art exists at present.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a heavy foundry goods perpendicular line gating system of casing class, it includes the mould body and arranges the gating system in the mould body in, this gating system includes the pouring basin, the vertical runner that extends from the vertical direction in pouring basin bottom, the horizontal runner that extends from the bottom horizontal direction of treetor, the vertical direction of front end from the horizontal runner extends has first ingate, the vertical direction of middle part from the horizontal runner extends has the second ingate, the vertical direction of end from the horizontal runner extends has the third ingate, the setting is at first ingate, a plurality of water slices of intaking on second ingate and the third ingate, and the die cavity that communicates with the water slice.

Preferably, a riser water inlet cavity is communicated with the middle position of the vertical pouring gate, and a filter disc is arranged in front of the lower end of the vertical pouring gate.

Preferably, the first ingate is arranged on the left side of the cavity, the second ingate is arranged on the lower side of the cavity, the third ingate is arranged on the right side of the cavity, the water inlet sheet of the first ingate is connected with the left end of the cavity, the water inlet sheet of the second ingate is connected with the lower end of the cavity, the water inlet sheet of the third ingate is connected with the right end of the cavity, and the area ratio of the ingates of the first ingate, the second ingate and the third ingate is 1: 1: 2.

preferably, the top end of the cavity is respectively connected with a top dead head and an overflow sheet.

Preferably, the lower end of the die body is provided with an arc-shaped structure.

Preferably, a spraying system is arranged beside the die body.

The utility model has the advantages that: the utility model discloses change water flat line into perpendicular line, perpendicular line production can improve the uniformity of foundry goods size, through using low temperature quick pouring technology, guarantees foundry goods outward appearance quality, promotes production efficiency, and perpendicular production technology need not use the exhaust column. The grinding workload can be reduced, the post-engineering treatment speed is increased, the water is poured in a dispersing and layering manner, the pouring speed is increased, when molten iron in a cavity is filled to half of a casting, the water begins to enter the ingates at two sides in the middle, so that the long-time baking and scouring of the sand mold due to the water entering from the bottom can be reduced, and the cold insulation and appearance defects of the casting caused by the filling fall can be effectively reduced.

Drawings

FIG. 1 is a schematic structural diagram of a vertical line gating system for a heavy casting such as a shell of the present invention;

in the figure: 1. a mold body; 2. a pouring cup; 3. a vertical pouring channel; 4. a cross gate; 5. a first ingate; 6. a second ingate; 7. a third ingate; 8. a water entry sheet; 9. a cavity; 10. a riser is arranged in the water cavity; 11. a filter disc; 12. a top riser; 13. and (4) an overflow sheet.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1, the embodiment is a vertical pouring system for heavy castings of a shell type, which comprises a mold body 1 and a pouring system arranged in the mold body, wherein the pouring system comprises a pouring cup 2, a vertical pouring gate 3 extending from the bottom of the pouring cup in the vertical direction, a horizontal pouring gate 4 extending from the bottom end of a tree pouring gate in the horizontal direction, a first inner pouring gate 5 extending from the front end of the horizontal pouring gate in the vertical direction, a second inner pouring gate 6 extending from the middle of the horizontal pouring gate in the vertical direction, a third inner pouring gate 7 extending from the tail end of the horizontal pouring gate in the vertical direction, a plurality of water inlet sheets 8 arranged on the first inner pouring gate, the second inner pouring gate and the third inner pouring gate, and a cavity 9 communicated with the water inlet sheets.

A riser water inlet cavity 10 is communicated with the middle position of the vertical pouring gate, and a filter plate 11 is arranged in front of the lower end of the vertical pouring gate. Increase rising head chamber of entrying, effectual storage molten iron, the die cavity of rising head is the cavity of storage liquid metal, supply metal when the foundry goods forms, there is the effect that prevents the shrinkage cavity, the shrinkage porosity, exhaust and collection sediment, the cassette, can effectually filter the impurity that reduces the income water, play the buffering and keep away the effect of sediment, thereby improve the pouring quality of foundry goods, the foundry goods inner chamber can not have the clamp sediment, gas pocket or crackle, and the sprue directly thinks the intercommunication with main cross gate, it is smooth and easy to go into the water circulation, can be full of the die cavity fast, and the efficiency is improved.

The first ingate is arranged on the left side of the cavity, the second ingate is arranged on the lower side of the cavity, the third ingate is arranged on the right side of the cavity, the water inlet sheet of the first ingate is connected with the left end of the cavity, the water inlet sheet of the second ingate is connected with the lower end of the cavity, the water inlet sheet of the third ingate is connected with the right end of the cavity, and the area ratio of the ingates of the first ingate, the second ingate and the third ingate is 1: 1: 2. when the molten iron in the cavity is filled to a half of the casting, the water starts to enter the inner gates at the two sides of the middle, so that the defects of cold shut and appearance of the casting caused by the filling fall can be effectively reduced while the sand mold is baked and washed by the water entering the bottom for a long time.

The top end of the cavity is respectively connected with a top dead head 12 and an overflow sheet 13. And feeding after the casting is shrunk to ensure the integrity of the casting. The vertical production does not need to increase an exhaust column, and the grinding amount is reduced.

The lower extreme of mould body is provided with the arc structure, and the arc structure is the unsmooth structure of joining in marriage of circular arc of R10, leaks the molten iron when can preventing to pour, and effectual subsides that will spill are deposited in the arc structure to prevent to leak.

The spraying system is arranged beside the die body, so that the opening temperature of the casting is reduced, and the safety of the casting during collision and increased rear engineering transportation during shakeout is prevented.

During this embodiment, guarantee to fill the type speed and reduce and fill the type pressure when pouring to make the speed when entrying always, thereby improve the foundry goods quality, the pouring process guarantees the management and control of the ladle molten iron residual quantity, guarantees the molten iron and fills the type pressure, and the die sinking shakeout process increases spraying system, reduces the foundry goods temperature of unpacking, prevents that the foundry goods from damaging and increase the security when the back engineering transport when the shakeout.

The utility model discloses an useful part, the utility model discloses change water flat line into the perpendicular line, perpendicular line production can improve the uniformity of foundry goods size, through using low temperature quick pouring technology, guarantee foundry goods outward appearance quality, promote production efficiency, perpendicular production technology need not use the exhaust column, can reduce grinding work volume and promote back engineering processing speed, adopt the dispersion layering to go into water, improve pouring speed, the molten iron fills in the die cavity and waters in half the time both sides in the middle of to the foundry goods and begins to intake, it is long-time to toast to the sand mould and erode to have reduced the bottom promptly and can effectively reduce to fill the type drop and lead to foundry goods cold shut and appearance defect again.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a heavy foundry goods vertical line gating system of casing class, its includes the mould body and arranges the gating system in the mould body in, its characterized in that: this gating system includes the pouring basin, from the vertical runner that the vertical direction of pouring basin bottom extends, the cross gate that extends from the bottom horizontal direction of treeware, the vertical direction of the front end of cross gate extends has first ingate, the vertical direction of the middle part of cross gate extends has the second ingate, the vertical direction of the end of cross gate extends has the third ingate, the setting is at first ingate, a plurality of pieces of intaking on second ingate and the third ingate, and the die cavity that communicates mutually with the piece of intaking.

2. The shell-like heavy casting vertical line gating system of claim 1, wherein: a riser water inlet cavity is communicated with the middle position of the vertical pouring gate, and a filter disc is arranged in front of the lower end of the vertical pouring gate.

3. The shell-like heavy casting vertical line gating system of claim 1, wherein: the first ingate is arranged on the left side of the cavity, the second ingate is arranged on the lower side of the cavity, the third ingate is arranged on the right side of the cavity, the water inlet sheet of the first ingate is connected with the left end of the cavity, the water inlet sheet of the second ingate is connected with the lower end of the cavity, the water inlet sheet of the third ingate is connected with the right end of the cavity, and the area ratio of the ingates of the first ingate, the second ingate and the third ingate is 1: 1: 2.

4. the shell-like heavy casting vertical line gating system of claim 1, wherein: the top end of the cavity is respectively connected with a top dead head and an overflow sheet.

5. The shell-like heavy casting vertical line gating system of claim 1, wherein: the lower end of the die body is provided with an arc-shaped structure.

6. The shell-like heavy casting vertical line gating system of claim 1, wherein: and a spraying system is arranged beside the die body.